1 Holmdel High School Ms. Pannone AP Biology Review/ Overview 10 reactions • convert glucose (6C) to 2 pyruvate (3C) • produces: 4 ATP & 2 NADH • consumes: 2 ATP • net: 2 ATP & 2 NADH 1 glucose C-C-C-C-C-C fructose-1,6bP P-C-C-C-C-C-C-P DHAP P-C-C-C G3P C-C-C-P pyruvate C-C-C ATP 2 ADP 2 ATP 4 ADP 4 NAD + 2 2 2P i 2P i 2H Cellular Respiration Stage 2 & 3: Oxidation of Pyruvate Krebs Cycle 2 pyruvate CO 2 Glycolysis is only the start • Glycolysis • Pyruvate has more energy to yield • 3 more C to strip off (to oxidize ) • if O 2 is available, pyruvate enters mitochondria • enzymes of Krebs cycle complete the full oxidation of sugar to CO 2 3 2x 6C 3C glucose pyruvate 3C 1C Cellular Respiration Overview 4
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Review/ glucose C- 2 ATP 2 ADP Cellular Respiration · 2019. 1. 24. · 4 ATP & 2 NADH •consumes: 2 ATP •net: 2 ATP & 2 NADH 1 glucose C-fructose-1,6bP P-C DHAP P-C-C-C G3P C-C-C-P
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Holmdel High School Ms. Pannone
AP Biology
Review/ Overview
10 reactions• convert
glucose (6C) to 2 pyruvate (3C)
• produces:4 ATP & 2 NADH
• consumes:2 ATP
• net:2 ATP & 2 NADH
1
glucoseC-C-C-C-C-C
fructose-1,6bPP-C-C-C-C-C-C-P
DHAPP-C-C-C
G3PC-C-C-P
pyruvateC-C-C
ATP2
ADP2
ATP4
ADP4
NAD+2
2
2Pi
2Pi
2H
Cellular RespirationStage 2 & 3:
Oxidation of PyruvateKrebs Cycle
2
pyruvate CO2
Glycolysis is only the start• Glycolysis
• Pyruvate has more energy to yield• 3 more C to strip off (to oxidize)• if O2 is available, pyruvate enters mitochondria• enzymes of Krebs cycle complete the full oxidation of
sugar to CO2
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2x6C 3C
glucose pyruvate
3C 1C
Cellular Respiration Overview
4
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Holmdel High School Ms. Pannone
AP Biology
intermembranespace inner
membrane
outermembrane
matrix
cristae
Mitochondria — Structure• Double membrane energy harvesting organelle